Algebra 2
posted by Danny
Amanda surveyed 20 juniors and seniors at Delamar high school to find the number of hours per week they spend working at parttime jobs. Her results are shown below.
Juniors: 20,10,20,10,15,0,0,10,20,15
Seniors: 20,20,10,10,0,0,0,10,0,10
which statement about the data is true?
1.the range of hours worked is the same for juniors and seniors
2.the mean, medium,and mode for the juniors surveyed fall within a 3hour range
3. the mean number of hours worked by the seniors surveyed is 12.
4. The mean number of hours worked is the same for junior and seniors.

Ms. Sue
I'll be glad to check your answer.

Danny
c.

Danny
or 3 i think?

Ms. Sue
No.

Danny
4.

Ms. Sue
No.
Be sure you know the meanings of these terms. 
Cayce
2.

Danny
Has to be 2.

Damon
For heavens sake look up the definition of these terms instead of guessing !!!

Caitlin
the answer is 2. if you do the work. it isn't that difficult. Add the data for the seniors and divide by 10 then do the same for the juniors.

Blank
THE answer is
1.the range of hours worked is the same for juniors and seniors
for the people in connexus
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Amanda surveyed 20 juniors and seniors at Delmark Highschool to find the number of hours per week they spend working at part time jobs. Her results are shown below Junior  20,10,20,15,0,0,10,20,15 Senior  20,20,10,10,0,0,0,10,0,10 …